Long-Term Debt (Schedule Of Debt Instruments) (Details)		12 Months Ended
	May 29, 2013 USD ($)	Jul. 31, 2023 USD ($) d $ / shares	Jul. 31, 2022 USD ($)	Jul. 31, 2021 USD ($)	Dec. 18, 2020 USD ($) $ / shares
Long-term Line of Credit		$ 1,000,000,000
Debt Instrument, Unused Borrowing Capacity, Fee		0.0030
Interest Rate Swap, Notional Amount		400,000,000
Long-term Debt		2,825,649,000	$ 2,807,046,000
Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net		5,814,000	72,997,000
Less: Current maturities		69,160,000	63,749,000
Long-term debt, net		2,750,675,000	2,670,300,000
Interest Expense, Debt		153,000,000	148,200,000	$ 151,400,000
Amortization of Financing Costs		6,700,000	5,900,000	4,900,000
Intercompany Foreign Currency Balance, Amount		98,700,000
Foreign currency (loss) gain on intercompany loans (Note 6)		(2,907,000)	(2,682,000)	$ 8,282,000
Long-Term Debt, Maturity, Year One		69,930,000
Long-Term Debt, Maturity, Year Two		676,010,000
Long-Term Debt, Maturity, Year Three		643,789,000
Long-Term Debt, Maturity, Year Four		851,407,000
Long-Term Debt, Maturity, Year Five		4,834,000
Long-Term Debt, Maturity, after Year Five		579,679,000
Convertible Debt Partial Redemption Minimum Remaining Balance		50,000,000
Adjustments to Additional Paid in Capital, Convertible Debt with Conversion Feature		$ 27,500,000
Derivative, Fixed Interest Rate		1.38%
Proceeds from Unsecured Notes Payable			600,000,000
Sale Leaseback Transaction, Historical Cost		$ 12,800,000
mtn:InterestRateSwapNotionalAmount		400,000,000
Credit Facility Revolver [Member]
Line of Credit Facility, Maximum Borrowing Capacity		500,000,000
Long-term Debt		$ 0	0
Fiscal year maturity		2026
Basis spread on LIBOR rate		1.60%
Whistler Credit Agreement revolver [Member]
Line of Credit Facility, Maximum Borrowing Capacity		$ 300,000,000
Line of Credit Facility, Initiation Date		Nov. 12, 2013
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage		0.39%
Long-term Debt		$ 0	11,717,000
Fiscal year maturity		2028
EPR Secured Notes [Member]
Annual Interest Rate Increase Cap		1.50%
Long-term Debt		$ 114,162,000	114,162,000
Term Loan [Member]
Debt Instrument, Periodic Payment		$ 15,600,000
Debt Instrument, Interest Rate, Stated Percentage		6.92%
Long-term Debt		$ 1,015,625,000	1,078,125,000
Fiscal year maturity		2026
Employee Housing Bonds [Member]
Long-term Debt		$ 52,575,000	52,575,000
Reference for interest rate determination		SOFR plus 0% to 0.20%
Canyons Obligation [Member]
Long-term Debt		$ 363,386,000	357,607,000
Fiscal year maturity		2063
Other [Member]
Long-term Debt		$ 35,011,000	$ 17,860,000
Alpine Valley Secured Note [Member]
Debt Instrument, Interest Rate, Stated Percentage		11.72%
Long-term Debt		$ 4,600,000
Boston Mills Brandywine Secured Note [Member]
Debt Instrument, Interest Rate, Stated Percentage		11.24%
Long-term Debt		$ 23,300,000
Jack Frost Big Boulder Secured Note [Member]
Debt Instrument, Interest Rate, Stated Percentage		11.24%
Long-term Debt		$ 14,300,000
Mount Snow Secured Note [Member]
Debt Instrument, Interest Rate, Stated Percentage		12.32%
Long-term Debt		$ 51,100,000
Hunter Mountain Secured Note [Member]
Debt Instrument, Interest Rate, Stated Percentage		9.03%
Annual Interest Rate Increase Cap		1.75%
Long-term Debt		$ 21,000,000
Convertible Debt
Fiscal year maturity		2026
Whistler Employee Housing Leases
Long-term Debt		$ 29,500,000
Hunter Mountain Secured Note [Member]
EPR Additional Interest Rate		8.00%
Mount Snow Secured Note [Member]
EPR Additional Interest Rate		12.00%
6.25% Notes [Member]
Debt Instrument, Interest Rate, Stated Percentage			6.25%
Long-term Debt		$ 600,000,000	$ 600,000,000
Fiscal year maturity		2025
EPR Secured Notes [Member]
EPR Additional Interest Rate		10.00%
Debt Service Reserve		$ 5,400,000
Breckenridge Terrace [Member] | Employee Housing Bonds [Member]
Long-term Debt		$ 19,980,000
Fiscal year maturity		2039
Tarnes [Member] | Employee Housing Bonds [Member]
Long-term Debt		$ 10,410,000
Fiscal year maturity		2039
BC Housing [Member] | Employee Housing Bonds [Member]
Long-term Debt		$ 10,600,000
Fiscal year maturity		2027
Tenderfoot [Member] | Employee Housing Bonds [Member]
Long-term Debt		$ 11,585,000
Fiscal year maturity		2035
Convertible Notes Payable
Debt Instrument, Face Amount		$ 575,000,000			$ 575,000,000
Long-term Debt		$ 575,000,000	575,000,000
Debt Instrument, Convertible, Conversion Price | $ / shares		$ 385.03			$ 407.17
Debt Instrument, Convertible, Threshold Percentage of Stock Price Trigger		130.00%
Debt Instrument, Convertible, Threshold Trading Days | d		20
Debt Instrument, Convertible, Threshold Consecutive Trading Days | d		30
Long-term Debt, Fair Value		$ 465,300,000
Debt Instrument, Convertible, Carrying Amount of Equity Component		109,700,000
Debt Instrument, Unamortized Discount (Premium), Net		$ 76,700,000
Debt Instrument Convertible Threshold Percentage of Stock Price Trigger 1		9800.00%
Debt Instrument, Convertible | d		10
Andermatt-Sedrun
Long-term Debt		$ 40,399,000	0
Whistler Employee Housing Leases
Long-term Debt		29,491,000	$ 0
Tranche A [Member] | Employee Housing Bonds [Member]
Long-term Debt		37,780,000
Tranche A [Member] | Breckenridge Terrace [Member] | Employee Housing Bonds [Member]
Long-term Debt		14,980,000
Tranche A [Member] | Tarnes [Member] | Employee Housing Bonds [Member]
Long-term Debt		8,000,000
Tranche A [Member] | BC Housing [Member] | Employee Housing Bonds [Member]
Long-term Debt		9,100,000
Tranche A [Member] | Tenderfoot [Member] | Employee Housing Bonds [Member]
Long-term Debt		5,700,000
Tranche B [Member] | Employee Housing Bonds [Member]
Long-term Debt		14,795,000
Tranche B [Member] | Breckenridge Terrace [Member] | Employee Housing Bonds [Member]
Long-term Debt		5,000,000
Tranche B [Member] | Tarnes [Member] | Employee Housing Bonds [Member]
Long-term Debt		2,410,000
Tranche B [Member] | BC Housing [Member] | Employee Housing Bonds [Member]
Long-term Debt		1,500,000
Tranche B [Member] | Tenderfoot [Member] | Employee Housing Bonds [Member]
Long-term Debt		$ 5,885,000
Maximum [Member] | EPR Secured Notes [Member]
Fiscal year maturity		2036
Maximum [Member] | Employee Housing Bonds [Member]
Fiscal year maturity		2039
Long term debt interest rate		0.0552%
Maximum [Member] | Other [Member]
Fiscal year maturity		2036
Minimum [Member] | EPR Secured Notes [Member]
Fiscal year maturity		2034
Minimum [Member] | Employee Housing Bonds [Member]
Fiscal year maturity		2027
Long term debt interest rate		0.0532%
Minimum [Member] | Other [Member]
Fiscal year maturity		2023
Minimum [Member] | Andermatt-Sedrun
Fiscal year maturity		2036
Minimum [Member] | Whistler Employee Housing Leases
Fiscal year maturity		2042
Canyons [Member]
Business Acquisition, Effective Date of Acquisition	May 24, 2013
Initial Capital Lease Term	50 years
Optional Lease Renewal Term	six 50-year renewal options
Minimum Capital Lease Payment, Annual	$ 25,000,000
Adjustments to Capital Lease Annual Payments	inflation-linked index of CPI less 1% per annum, with a floor of 2%
Finance Lease Obligation, Interest Rate		10.00%
Accretion Expense		$ 58,100,000
Whistler Employee Housing Leases
Initial Capital Lease Term	20 years
Finance Lease Obligation, Interest Rate			695.00%